"Casemiro has improved amazingly," he told BeIN Sports."He works very hard and it's a privilege to play in the same side as him. He's got to be one of the best central midfielders in the world."

The victory moved Madrid five points clear at the top of the table ahead of Barcelona's meeting with Valencia on Sunday, meaning they will gointo the international break as La Liga leaders.

Marcelo criticised the team for failing to carry out Zidane's instructions in the wake of their 3-3 draw with Las Palmas, but he commended his team-mates for their efforts in a tough encounter on Saturday.